Home / 23,347.20-34,990.40-9,480

Finding the Fourth Proportional to 23,347.20, 34,990.40 and 9,480

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Solution

The fourth proportional to 23,347.20, 34,990.40 and 9,480 is: 14,207.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,347.20 : 34,990.40 = 9,480 : x
  2. Step 2: Convert to fraction form
    23,347.20/34,990.40 = 9,480/x
  3. Step 3: Cross multiply
    23,347.20x = 34,990.40 × 9,480
  4. Step 4: Simplify right side
    23,347.20x = 331,708,992
  5. Step 5: Solve for x
    x = 331,708,992/23,347.20
  6. Step 6: Final answer
    x = 14,207.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.